3M™ Polyurethane Construction Sealant 525 Gray, 10.5 Fluid Ounce Cartridge
Features and Benefits:
- Very Pliable/Flexible
- 90 Plus Minute Skin Time
- Markets: Concrete construction and precast.
- Applications: Sealing, caulking, waterproofing and damping
3M™ Polyurethane Construction Sealant 525 is a single component polyurethane elastomeric sealant which cures under the effect of atmospheric humidity to form a flexible and resilient joint with very good adhesion on most materials. Elongation of over 600%, Shore A of 25, skin time of 2 hrs.
Used for creating flexible seals on heavy and light precast panel expansion joints, wood, aluminium and PVC.